23089535 has 24 divisors (see below), whose sum is σ = 32697936. Its totient is φ = 15603840.

The previous prime is 23089531. The next prime is 23089543. The reversal of 23089535 is 53598032.

It is not a de Polignac number, because 23089535 - 2² = 23089531 is a prime.

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23089495 and 23089504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23089531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17240 + ... + 18530.

It is an arithmetic number, because the mean of its divisors is an integer number (1362414).

Almost surely, 2^23089535 is an apocalyptic number.

23089535 is a deficient number, since it is larger than the sum of its proper divisors (9608401).

23089535 is a wasteful number, since it uses less digits than its factorization.

23089535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1383 (or 1376 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 35.

The square root of 23089535 is about 4805.1571254226. The cubic root of 23089535 is about 284.7552428233.

The spelling of 23089535 in words is "twenty-three million, eighty-nine thousand, five hundred thirty-five".